Restricting Access with HTTP Basic Authentication in Apache and Nginx

You can restrict access to your website or some parts of it by implementing a username/password authentication. Usernames and passwords are taken from a file created and populated by a password file creation tool, for example, apache2-utils.

Creating a Password File

 sudo htpasswd -c /etc/apache2/.htpasswd user1 

Create additional user-password pairs. Omit the -c flag because the file already exists:

sudo htpasswd /etc/apache2/.htpasswd user2

You can confirm that the file contains paired usernames and encrypted passwords:

$ cat /etc/apache2/.htpasswd

Nginx configuration

server {
    auth_basic           "Administrator’s Area";
    auth_basic_user_file conf/htpasswd;

    location /public/ {
        auth_basic off;

Apache/httpd configuration

<VirtualHost *:80>
    ServerAdmin [email protected]
    DocumentRoot /var/www/html
    ErrorLog ${APACHE_LOG_DIR}/error.log
    CustomLog ${APACHE_LOG_DIR}/access.log combined

    <Directory "/var/www/html">
        AuthType Basic
        AuthName "Restricted Content"
        AuthUserFile /etc/apache2/.htpasswd
        Require valid-user

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